Home / 909,736.67-1,361,765.33-670,120.76

Finding the Fourth Proportional to 909,736.67, 1,361,765.33 and 670,120.76

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Solution

The fourth proportional to 909,736.67, 1,361,765.33 and 670,120.76 is: 1,003,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,736.67 : 1,361,765.33 = 670,120.76 : x
  2. Step 2: Convert to fraction form
    909,736.67/1,361,765.33 = 670,120.76/x
  3. Step 3: Cross multiply
    909,736.67x = 1,361,765.33 × 670,120.76
  4. Step 4: Simplify right side
    909,736.67x = 912,547,207,721.82
  5. Step 5: Solve for x
    x = 912,547,207,721.82/909,736.67
  6. Step 6: Final answer
    x = 1,003,089.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.